Toy cube



FIG. 1 is a perspective view of the toy cube showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is an environmental plan view of an example of several toy cubes placed together.

The broken lines in FIG. 8 showing adjacent toy cubes are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a toy cube, as shown and described. 